GW406381 is a highly selective inhibitor of cyclooxygenase-2 (COX-2). GW406381 also attenuates spontaneous ectopic discharge in the sural nerves of rats following chronic constriction injury.
Perthane is the diethyl derivative of common pesticide DDD. It may cause adrenocortical atrophy in humans,and also prevent the formation of spontaneous mammary carcinoma.